In many cases, some preprocessing (data filtering) is desired before the input is presented to a controller or used in a trend plot for process representation. Smoothing data and eliminating outliers ...

The first (and fastest, simplest, etc.) way to filter an analog signal is to sample a bunch of times and then average all of the samples together. This will eliminate most outliers and chatter ...

Google's new filtering makes it easier for advertisers to spot and fix product feed issues that impact performance.